TeSys LRG
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ELECTRONIC THERMAL OVERLOAD RELAY
Electronic thermal overload relay,TeSys Giga,28-115 A,class 5E-30E,push-in control connection
SKU LR9G115Schneider Electric LR9G115 is a electronic thermal overload relay in the TeSys LRG range. Key specifications include current setting range: 28…115 A; thermal overload class: Class 5E...30E conforming to IEC 60947-4-1; operational voltage: 1000 V AC 50/60 Hz.
28…115 ACurrent setting range
Class 5E...30E conforming to IEC 60947-4-1Thermal overload class
1000 V AC 50/60 HzOperational voltage
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 17, 2026.
| Product reference | LR9G115 |
|---|---|
| Range | TeSys |
| Product name | TeSys LRG |
| Product or component type | Electronic thermal overload relay |
| Device short name | LR9G |
| Relay application | Motor protection |
| Network type | AC |
| Thermal overload class | Class 5E...30E conforming to IEC 60947-4-1 |
| Thermal protection adjustment range | 28…115 A |
| Network frequency | 30...60 Hz 100 Hz |
| Overvoltage category | III |
| Tripping threshold | 1.125 +/- 0.07 In conforming to IEC 60947-4-1 |
| Protection type | Ground fault protection - tripping time adjustment: 0…1 s - for alarm circuit conforming to IEC 60947-4-1 Ground fault protection - tripping time adjustment: 0…1 s - for alarm circuit conforming to UL 60947-4-1 Phase loss - tripping time adjustment: 0…4 s - for alarm circuit Phase imbalance - tripping time adjustment: 0…5 s - for alarm circuit conforming to IEC 60947-4-1 Phase imbalance - tripping time adjustment: 0…5 s - for alarm circuit conforming to UL 60947-4-1 |
| Local signalling | LED Trip indicator |
| Contacts type and composition | 1 NO + 1 NC |
| [Ith] conventional free air thermal current | 5 A |
| [Uc] control circuit voltage | 24...500 V AC 50/60 Hz 24...250 V DC |
| [Ue] rated operational voltage | 1000 V AC 50/60 Hz |
| [Uimp] rated impulse withstand voltage | 8 kV |
| Reset | Automatic reset Manual |
| Mechanical durability | 7000 cycles |
| Surge withstand | 4 kV |
| Electromagnetic compatibility | EMC immunity conforming to IEC 60947-4-1 Emission tests criteria A conforming to IEC 60947-4-1 Immunity to radiated radio-electrical interference - test level: 20 V/m conforming to EN/IEC 61000-4-3 Voltage dips and interruptions immunity test conforming to SEMI F47 |
| Connections - terminals | Power circuit: bar - busbar cross section: 25 x 6 mm Power circuit: lugs-ring terminals 1 185 mm² Control circuit: push-in 1 0.2…2.5 mm² - cable stiffness: solid stranded without cable end Control circuit: push-in 1 0.25…2.5 mm² - cable stiffness: flexible with cable end Control circuit: push-in 2 0.5…1.0 mm² with cable end |
| Tightening torque | 18 N.m |
| Mounting support | Direct on contactor Plate |
| Standards | EN/IEC 60947-4-1 EN/IEC 60947-5-1 UL 60947-4-1 CSA C22.2 No 60947-4-1 JIS C8201-4-1 JIS C8201-5-1 IEC 60335-1:Clause 30.2 IEC 60335-2-40:Annex JJ UL 60335-2-40:Annex JJ UL 60335-1 |
| Product certifications | CB Scheme CCC cULus UKCA ATEX EU-RO-MR by DNV-GL EAC |
| IP degree of protection | IP2X front face with shrouds conforming to IEC 60529 IP2X front face with shrouds conforming to VDE 0106 |
| Protective treatment | TH |
| Ambient air temperature for operation | -25…60 °C |
| Ambient air temperature for storage | -60…80 °C |
| Permissible ambient air temperature around the device | -40…60 °C at Uc |
| Adjustment of dial setting | -25…60 °C |
| Mechanical robustness | Vibrations 5…300 Hz 6 gn contactor open Shocks 15 gn 11 ms contactor closed |
| Height | 107 mm |
| Width | 105 mm |
| Depth | 126 mm |
| Net weight | 0.8 kg |
| Colour | Dark grey |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.